128341503

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{2293}}^1$

素因数の和:2996

約数の個数: 20

約数和(自身を含む): 192081208

約数和(自身を除く): 63739705

約数列:

[1, 3, 9, 27, 81, 691, 2073, 2293, 6219, 6879, 18657, 20637, 55971, 61911, 185733, 1584463, 4753389, 14260167, 42780501, 128341503]

約数ペア:

[(1, 128341503), (3, 42780501), (9, 14260167), (27, 4753389), (81, 1584463), (691, 185733), (2073, 61911), (2293, 55971), (6219, 20637), (6879, 18657)]